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superio/nuvoton/nct6791d: Add symbol to select COM port 

Like the NCT6776, the NCT6791D has muxed COMA/GPIO8 functions. Since it
requires setting different bits, add a new Kconfig symbol to do it.

Change-Id: I62dc18810026f9b1550da19950f66af605600ec8
Signed-off-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/33640
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Maxim Polyakov <m.poliakov@yahoo.com>
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>
This commit is contained in:
Angel Pons 2019-06-20 20:12:40 +02:00 committed by Felix Held
parent d26844ce82
commit 78fa372ec9
2 changed files with 11 additions and 0 deletions
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6
src/superio/nuvoton/common/early_serial.c
View File

@ -64,9 +64,15 @@ void nuvoton_pnp_exit_conf_state(pnp_devfn_t dev)
void nuvoton_enable_serial(pnp_devfn_t dev, u16 iobase)
{
nuvoton_pnp_enter_conf_state(dev);
if (CONFIG(SUPERIO_NUVOTON_NCT6776_COM_A))
/* Route GPIO8 pin group to COM A */
pnp_write_config(dev, 0x2a, 0x40);
if (CONFIG(SUPERIO_NUVOTON_NCT6791D_COM_A))
/* Route GPIO8 pin group to COM A */
pnp_write_config(dev, 0x2a, 0x00);
pnp_set_logical_device(dev);
pnp_set_enable(dev, 0);
pnp_set_iobase(dev, PNP_IDX_IO0, iobase);

5
src/superio/nuvoton/nct6791d/Kconfig
View File

@ -16,3 +16,8 @@
config SUPERIO_NUVOTON_NCT6791D
bool
select SUPERIO_NUVOTON_COMMON_PRE_RAM
config SUPERIO_NUVOTON_NCT6791D_COM_A
bool
depends on SUPERIO_NUVOTON_NCT6791D
default n